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Author Question: The Milky Way is similar in many ways to M31, the Andromeda Galaxy. Indicate whether the ... (Read 57 times)

plus1

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on: Jul 27, 2018
The Milky Way is similar in many ways to M31, the Andromeda Galaxy.
 
  Indicate whether the statement is true or false

Question 2

How does Mercury's rotation relate to the Sun?
 
  A) Its rotation rate is 2/3 as long as its year, due to tidal resonances.
  B) Its day is the same length as its year.
  C) Its year is much shorter, only 88 days, than its slow rotation of 243 days on its axis.
  D) It always keeps one face tidally locked toward the Sun, as our Moon does with us.
  E) It does not spin at all, being tidal stopped by the solar tides.


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succesfull

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Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

A


plus1

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


succesfull

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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